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Trimethoprim-Sulfamethoxazole for Pet Rat

Cited dose ranges for Trimethoprim-Sulfamethoxazole in pet rat from the ExoticRx veterinary formulary. Verify against current literature before clinical use.

Trade names: Bactrim, TMS

Indications: Bacterial infections, chronic skin, coccidia, coccidiosis, General bacterial, Nocardia infections, Pneumocystis (immunocompromised), Pneumocystis pneumonia, prostatitis, Respiratory and GI infections, Respiratory infections, secondary cover, Severe bacterial infection, skin, skin infections, Strep pneumoniae, Susceptible bacterial infections, toxoplasmosis, UTI

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Cited dose rules for Trimethoprim-Sulfamethoxazole in pet rat are available with a free ExoticRx account. Each row carries the route, dose range, frequency, indication, evidence level, and primary-source citation.

Sources include: Carpenter's Exotic Animal Formulary, 6th Ed; ExoticRx 2026 (chinchilla dosing guide); Carpenter 6e; ExoticRx 2026 (ferret dosing guide); …

Why a species-specific page? Trimethoprim-Sulfamethoxazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in pet rat — the rules above are the citations specific to this species, not generic recommendations.

Sourced from primary literature; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.